Pith Number

pith:UOQJ2D7D

pith:2005:UOQJ2D7DOMRJ3TN2JSSGFPZIZA

not attested not anchored not stored refs pending

Gromov-Hausdorff ultrametric

Ihor Zarichnyi

arxiv:math/0511437 v1 · 2005-11-17 · math.GN · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOQJ2D7DOMRJ3TN2JSSGFPZIZA}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

A cohomology-based Gromov-Hausdorff metric approach for quantifying molecular similarity

Receipt and verification

First computed	2026-07-04T14:51:42.743807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3a09d0fe373229dcdba4ca462bf28c81d5a30b14ea12c69d5c638a160faed5f

Aliases

arxiv: math/0511437 · arxiv_version: math/0511437v1 · doi: 10.48550/arxiv.math/0511437 · pith_short_12: UOQJ2D7DOMRJ · pith_short_16: UOQJ2D7DOMRJ3TN2 · pith_short_8: UOQJ2D7D

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UOQJ2D7DOMRJ3TN2JSSGFPZIZA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a3a09d0fe373229dcdba4ca462bf28c81d5a30b14ea12c69d5c638a160faed5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d35746163660b8670bbef7ef5bfa51d7b14393b920d9fc68b14429f454bb885",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2005-11-17T12:08:32Z",
    "title_canon_sha256": "924e68659cc60613d59e2814a3f8c136c535642c102ec6bfa684651ed00b24f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0511437",
    "kind": "arxiv",
    "version": 1
  }
}